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Suppose that you were trying to find out if the population proportion of Americans that currently think that nuclear power is extremely/very dangerous to environment was less than 50%. You decide to test the null hypothesis Ho: p = 0.50 versus Ha: p < 0.50.

In 1993, the General Social Survey included question that asked its participants if they felt that nuclear power plants were extremely/very dangerous to environment. Out of the 1419 surveyed, 630 said yes. Determine the value of test statistic for this problem?

A. -4.22

B. 4.22

C. 16.83

D. -16.83

E. -16.42

F. 16.42

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